B+

B+ may refer to:


 * B+, a blood type
 * B+ (grade), an academic grade
 * B+ (photographer), an Irish photographer and filmmaker based in Los Angeles, California
 * B+ tree, a data structure
 * B+, a British home computer BBC Micro model
 * B+, a British single-board computer Raspberry Pi model
 * B+, the plus voltage of a Battery (electricity) or plus voltage of an electronic circuit
 * B Plus, a Belgian non-profit organization